Now you should be able to capture HTTPS traffic too. Install the certificate on your device.Then, you can proceed with installing the Fiddler Root certificate as follow: However, this can cause ERR_CERT_VALIDITY_TOO_LONG error in Chrome on Android. NOTE: By default, Fiddler-generated certificate is valid for 5 years. To fix this, you should trust the Fiddler root certificate. However, if you try to open any HTTPS website, you’ll get the This site’s security certificate is not trusted! error. With the current setup you should be able to capture HTTP traffic. Your device’s traffic should be visible in Fiddler. Type the Fiddler listening port (8888 by default) in the Proxy port field.NOTE: You can check your IP address by hovering over the Network Connection icon in the Fiddler toolbar. Type your IP address in the Proxy host name field.Choose Manual from the Proxy dropdown list.Choose the Manage network settings option.Tap and hold on your current network to show the network details.
Once Fiddler is listening, we should use it as a proxy in Android. Restart Fiddler in order the changes to take effectįiddler is now listening on port 8888 (this is the default port, you can change it from the setting above).Select the Allow remote computers to connect checkbox to enable the setting.Open Fiddler and select Tools -> Options.Setting up Fiddlerįirst, you should enable the Allow remote computers to connect setting in Fiddler Just ping the device IP from your machine to be sure they can communicate. I had to use the mobile hotspot on my machine to make them discoverable. This was the tricky part for me, as even when I have them on the same network, they couldn’t communicate with each other. The PC and the Android device should be discoverable on the same network. Want to learn more about using Fiddler to debug Android apps? Check out our webinar on mobile app debugging with Fiddler! Prerequisitesįirst you have to have Fiddler installed on your desktop machine. Luckily, you can still use Fiddler to do it. However, this is not the case if you’re mobile developer that want to debug an application or website from Android device. Every browser has its own developer tools, and most importantly you can use Fiddler. In this step by step tutorial, learn how to setup your Аndroid device to use Fiddler as a proxy and capture web traffic from your phone.ĭebugging web applications on Windows is fairly easy.
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